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Global Positioning Systems are a key feature in everyday life for much of the world’s population. Whether it’s ensuring a ship delivers its goods safely, or you’re able to avoid a road closure on your commute home, GPS can help. But the system has a weakness - it relies on ground stations that…
Scientists know for certain the moon doesn’t currently have a magnetosphere. But they’ve been debating for decades about whether it ever did. Data from both Apollo samples and orbital scientific instruments have proven divisive, and so the debate still rages. But a new paper from researchers at ETH…
In a recent study, researchers at the international MEGATRON project used some of the most detailed simulations of the early Universe to investigate how the first stars and galaxies formed.
The core of the Milky Way is a dense, active, messy region, dominated by a supermassive black hole called Sagittarius A* (Sgr A*) hiding at the heart of the galaxy. But Sgr A* is only a supporting actor in this stunning new image from the Chandra X-ray Observatory.
Supermassive black holes generate tremendous amounts of energy through their accretion disks and jets. But they can also generate energy through the magnetic Penrose process. A new study looks at how we might observe this process through multimessenger astronomy.
Deep space travel comes with a huge potential downside - radiation exposure that can kill an astronaut either quickly or slowly over time if not managed correctly. But what exactly does that mean, and is there any way to handle it other than sticking more and more protective layers between the…
Heat shields are undeniably one of the most important parts of any spacecraft that intends to enter an atmosphere. And the material they are made out of is absolutely critical. Improving them has been a bit of a challenge though, as typically researchers only get “before” and “after” pictures of…
Using data from the Japan-led XRISM observatory, astronomers have directly observed a giant star’s stellar wind captured by its compact companion (triggering X-ray flares) for the first time.
Asteroid sample return missions have brought well preserved samples of the early solar system (that hadn’t been roasted in a fireball) back to Earth for the first time. But those samples, like the OSIRIS-REx sample from asteroid (101955) Bennu, sometimes provide more questions than answers. A new…
NASA announced Wednesday a mission to explore the history and evolution of the universe, PRIMA (PRobe far-Infrared Mission for Astrophysics), is advancing to the next phase of development. This space telescope is the first in a new class of NASA astrophysics missions, called Probe Explorers, within…
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